Notes
--> JM Brearley made his debut in County Championship matches
--> HL Johnson (1) passed 7000 runs in County Championship matches when he reached 2
--> HL Johnson (1) passed 7500 runs in first-class matches when he reached 4
--> RA Gale (2) passed 7500 runs in first-class matches when he reached 28
--> C Lee (2) passed 1000 runs in County Championship matches for the season when he reached 70
--> C Lee (2) passed 1000 runs in first-class matches for the season when he reached 13
--> JM Brearley made his debut for Middlesex in first-class matches
--> HJ Rhodes achieved his best innings bowling analysis in first-class matches in the Middlesex first innings (previous best was 6-86)
--> HJ Rhodes achieved his best innings bowling analysis in County Championship matches in the Middlesex first innings (previous best was 6-86)
--> FJ Titmus reached 1100 wickets in first-class matches when taking his 2nd wicket in the Derbyshire first innings
--> FJ Titmus reached 900 wickets in County Championship matches when taking his 1st wicket in the Derbyshire first innings
--> CD Drybrough achieved his best innings bowling analysis in County Championship matches in the Derbyshire first innings (previous best was 4-28)
--> DC Morgan reached 750 wickets in first-class matches when taking his 1st wicket in the Middlesex second innings
--> IR Buxton reached 100 wickets in County Championship matches when taking his 1st wicket in the Middlesex second innings